User:Oscar Julio Medina Vargas

IVE BEEN CHEMISTRY TEACHER IN AN OFFICIAL UNIVESITY DURING THE LAST 30 YEARS. i BELONG TO SOME IMPORTANT INTERNATIONAL SOCIETIES ON CHEMISTRY AND I AM THE ACTUAL LEADER OF A RESEARCH GROUP ON BIOTECHNOLOGY AND FOOD CHEMSITRY. UNIVERSIDAD PEDAGOGICA Y TECNOLOGICA DE COLOMBIA, UPTC. DEPARTMENT OF FOOD CHEMISTRY, FACULTY OF SCIENCES.